|
Author Question: Cook and Campbell outlined threats to internal validity many years ago. Indicate whether the ... (Read 21 times) |
Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.
Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
About 100 new prescription or over-the-counter drugs come into the U.S. market every year.